Estimating Sums and Differences of Fractions

• 1 gallon
• 0 gallons
• 1/2 gallon
• 1 1/2 gallon

Mia uses 1/5 of a bag of gravel in the morning and 11/12 of a bag in the afternoon. About how much gravel does she use in one day?

• 0 bags

• 1/2 of a bag

• 1 bag

• 2 1/2 bags

Multi-Step Amanda picked 3/5 pound of blueberries at her local farm yesterday. She used 3/8 pound of blueberries. Today she picked 4/5 pound of blueberries. About how many pounds of blueberries does Amanda have now?

• 1/5 lb

• 1/2 lb

• 1 lb

• 1 1/2 lbs

3/8 + 4/5 =

• 1 1/2

• 1

• 0

• 2

• 1/2

There were 5 pizzas at the pizza party for two families. • Caroline’s family ate 1 3 /8  pizzas. • Julia’s family ate 1 2 /6  pizzas. What is the closest estimate of how much pizza was left? 

• 1 pizza

• 2 pizzas

• 3 pizzas

• 4 pizzas

Estimate the sum by replacing each fraction with 0, 1/2, or 1.

5/8 + 11/12 =

• 0

• 1/2

• 1

• 1 1/2

• 2

Estimate the sum by replacing each fraction with 0, 1/2, or 1.

3/25 + 1/18 =

• 0

• 1/2

• 1

• 1 1/2

• 2

Estimate the sum by replacing each fraction with 0, 1/2, or 1.

1/10 + 5/10 =

• 0

• 1/2

• 1

• 1 1/2

• 2

On Saturday, the scouts hiked 4/5 mile up the mountain. On Sunday, they hiked 1/4 mile up the mountain. About how far did the scouts hike up the mountain in all?

• 1/ 2 mile

• 1 mile

• 1 1/2 miles

• 2 miles

Estimate and Solve 2/9 + 7/8

• 0

• 1/2

• 1